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John Deere 6620 Premium Tractor
The
John Deere 6620 Premium is a 6020 series 4x4 utility tractor. This model was
manufactured from 2001 to 2006. The John Deere 6620 tractor is powered by 414.4
cubic inches John Deere 6068T 4V-CR 4-stroke 6-cylinder turbocharged diesel
engine with a maximum power of 130 Hp (96.9 kilowatt) and 535 Nm (396 lb-ft) of
peak torque at 1700 rpm.
The John Deere 6620 Premium is equipped with 3 types of transmission.
Type 1: 24x24 PowrQuad Plus partial powershift transmission. Type 2:
24x24 AutoQuad transmission.
Type 3: AutoPowr variable transmission (IVT) with infinite forward and
reverse gears. Maximum travel speed (forward and reverse): 25 mph (40
km/h). The closed center hydraulic system with load-sensing control has
an axial-piston or gear-driven pump with a rated capacity of 25.4 gpm
(96.1 lpm). The main relief pressure is 300 bar (2900 psi). The John
Deere 6620 Premium is fitted with 420/70R28 front tires and 18.4R38 rear
tires. The wheel base is 104.3" (2640 mm). The tractor is compatible
with a John Deere 661 loader with a maximum lift height of 166 (4220),
or John Deere 731 loader with a lift capacity at full height of 4255 lb
(1930 kg).
| Engine Model |
John Deere 6068T 4V-CR |
| Engine Type |
4-Stroke, 6-cylinder turbocharged diesel |
| Number of Cylinders |
6 |
| Displacement, cu in (L) |
414.4 (6.80) |
| Engine Bore, in (mm) |
4.19 (106.0) |
| Engine Stroke, in (mm) |
5.00 (127.0) |
| Aspiration |
Turbocharged |
| Rated Engine Power, hp (kW) |
130.0 (96.9) |
| Rated Engine Speed, rpm |
2300 |
| Operating Speed Range, rpm |
1300-2300 |
| Idle Speed Range, rpm |
845-2510 |
| Maximum Torque, Nm (ft-lbs) |
535 (396) |
| Torque Speed, rpm |
1700 |
| Compression |
17:1 |
| Firing Order |
1-5-3-6-2-4 |
| Fuel System |
Electronic high-pressure common rail |
| Air Cleaner |
Dual paper elements |
| Fuel Tank Capacity, gal (L) |
54.7 (207.0) |
| Oil Capacity, qts (L) |
20.8 (19.5) |
| Coolant Capacity, qts (L) |
25.5 (24.0) |
| Electrical System Rating, Volts |
12 |
| Charging System |
Alternator |
| Alternator Rating, Amps |
115/150 |
| PTO Operational Type |
Independent |
| PTO Horsepower, hp (kW) |
113.0 (83.7) |
| PTO Clutch |
Electro-hydraulic |
| PTO Speed, rpm |
540/540E/1000 |
| Rear PTO / Engine Speed, rpm |
540/2143 |
| Rear PTO / Engine Speed, rpm |
540E/1684 |
| Rear PTO / Engine Speed, rpm |
1000/2208 |
| Front PTO / Engine Speed, rpm |
1000/2185 |
| Transmission Type |
PowrQuad Plus |
| Gearbox Type |
24F/24R, partial powershift |
| Number of Forward Gears |
24 |
| Number of Reverse Gears |
24 |
| Clutch Type |
Mechanical/hydraulic |
| Oil Capacity, qts (L) |
55.0 (52.0) |
| Maximum Forward Speed, mph (kph) |
25.0 (40.0) |
| Maximum Reverse Speed, mph (kph) |
25.0 (40.0) |
| Transmission Type |
AutoQuad |
| Gearbox Type |
24F/24R |
| Number of Forward Gears |
24 |
| Number of Reverse Gears |
24 |
| Clutch Type |
Electro-hydraulic |
| Oil Capacity, qts (L) |
55.0 (52.0) |
| Maximum Forward Speed, mph (kph) |
25.0 (40.0) |
| Maximum Reverse Speed, mph (kph) |
25.0 (40.0) |
| Transmission Type |
AutoPowr IVT |
| Gearbox Type |
Infinitely Variable Transmission (IVT) |
| Number of Forward/Reverse Gears |
Infinite forward and reverse |
| Oil Capacity, qts (L) |
63.5 (60.0) |
| Maximum Forward Speed, mph (kph) |
25.0 (40.2) |
| Maximum Reverse Speed, mph (kph) |
25.0 (40.2) |
| Drive Wheels |
4WD 4x4 |
| Steering Configuration |
Front Steer |
| Steering System |
Hydrostatic power |
| Brakes Type |
Hydraulic wet disc |
| Front Tire Size |
420/70R28 |
| Rear Tire Size |
18.4R38 |
| Hydraulic System Type |
Closed-center with load-sensing control |
| Hydraulic Pump Type |
Axial-piston or gear-driven pump |
| Implement Pump Flow, gpm (Lpm) |
25.4 (96.1) |
| Hydraulic Pressure, bar (psi) |
200 (2900) |
| 3-Point Hitch Category |
2/3N |
| Draft Sensing or Lift Control |
Electronic lower link draft control |
| Standard Lift Capacity at lift pin, lb (kg) |
16360 (7420) |
| Wheelbase, in (mm) |
104.3 (2640) |
| Length, in (mm) |
186.1 (4720) |
| Height, in (mm) |
112.5 (2850) |
| Overall Width, in (mm) |
91.2 (2310) |
| Ground Clearance, in (mm) |
20.5 (520) |
| Front Axle Load, lb (kg) |
9040 (4100) |
| Rear Axle Load, lb (kg) |
15210 (6900) |
| Weight (Shipping), lb (kg) |
11775 (5340) |
| Weight (Maximum), lb (kg) |
20950 (9500) |
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| Farm Tractors Technical Specifications |
